mirror of
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24 lines
572 B
Bash
Executable File
24 lines
572 B
Bash
Executable File
#!/bin/bash
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# This plugin checks for common network issues. Currently, it only checks
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# if the conntrack table is full.
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OK=0
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NONOK=1
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UNKNOWN=2
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[ -f /proc/sys/net/ipv4/netfilter/ip_conntrack_max ] || exit $UNKNOWN
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[ -f /proc/sys/net/ipv4/netfilter/ip_conntrack_count ] || exit $UNKNOWN
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conntrack_max=$(cat /proc/sys/net/ipv4/netfilter/ip_conntrack_max)
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conntrack_count=$(cat /proc/sys/net/ipv4/netfilter/ip_conntrack_count)
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if (( conntrack_count >= conntrack_max )); then
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echo "Conntrack table full"
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exit $NONOK
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fi
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echo "Conntrack table available"
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exit $OK
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